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Table 3 Inter-rater reliability of the muscular chain evaluation for each group of physical therapists according to their experience in Global Postural Re-education

From: Inter-rater reliability of the evaluation of muscular chains associated with posture alterations in scoliosis

Body regions Reliability
Posture indices Kappa (%A)
  Group 1 Group 2 Group 3
  (≤ 2 years) (2.5 to 9.5 years) (≥ 10 years)
  (n = 21) (n = 16) (n = 15)
Head : Protraction 0.51 (63) 0.40 (60) 0.56 (67)
   Lateral bending 0.15 (37) 0.08 (31) 0.04 (29)
   Rotation 0.25 (44) −0.01 (31) −0.02 (23)
Cervical : > Lordosis 0.32 (49) −0.12 (25) 0.05 (29)
    < Lordosis 0.51 (63) 0.43 (60) 0.80 (85)
Shoulders : Elevated 0.30 (48) 0.10 (33) 0.23 (43)
     Protracted 0.29 (47) 0.11 (33) 0.14 (35)
     Rounded 0.61 (71) 0.49 (62) 0.83 (88)
Scapulas : Adducted 0.28 (46) 0.26 (45) 0.86 (89)
Abducted 0.31 (49) 0.39 (54) 0.59 (70)
Thoracic : > Kyphosis 0.91 (93) 0.25 (44) 1.00 (100)
     < Kyphosis 0.86 (90) 0.57 (68) 0.81 (85)
Lumbar : > Lordosis 0.79 (84) 0.28 (46) 0.63 (73)
    < Lordosis 0.15 (36) −0.05 (19) 0.69 (76)
Pelvis : Anterior tilt 0.39 (55) 0.24 (50) 0.68 (76)
     Posterior tilt 0.50 (63) 0.54 (69) 0.79 (85)
Knees : Valgus 0.34 (50) 0.45 (71) 0.47 (60)
     Varus 0.35 (50) 0.59 (69) 0.79 (85)
     Recurvatum 0.21 (41) 0.23 (36) 0.18 (38)
     Flexum 0.26 (27) 0.09 (41) 0.01 (26)
Feet : < Plantar arch 0.30 (48) 0.26 (45) 0.41 (55)
   > Plantar arch 0.29 (47) 0.29 (46) 0.66 (74)
   Valgus 0.43 (57) 0.26 (45) 0.34 (50)
   Varus 0.39 (55) 0.73 (80) 0.76 (82)